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78a523fe73
linux/drivers/iommu
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Jacob Pan 78a523fe73 iommu/vt-d: Reject unsupported page request modes 
When supervisor/privilige mode SVM is used, we bind init_mm.pgd with
a supervisor PASID. There should not be any page fault for init_mm.
Execution request with DMA read is also not supported.

This patch checks PRQ descriptor for both unsupported configurations,
reject them both with invalid responses.

Fixes: 1c4f88b7f1 ("iommu/vt-d: Shared virtual address in scalable mode")
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Link: https://lore.kernel.org/r/1614680040-1989-4-git-send-email-jacob.jun.pan@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2021-03-18 11:42:46 +01:00
..
amd iommu/amd: Fix sleeping in atomic in increase_address_space() 2021-03-04 13:15:56 +01:00
arm Merge branch 'for-joerg/mtk' into for-joerg/arm-smmu/updates 2021-02-01 12:59:28 +00:00
intel iommu/vt-d: Reject unsupported page request modes 2021-03-18 11:42:46 +01:00
dma-iommu.c IOMMU Fixes for Linux v5.12-rc1 2021-03-05 12:26:24 -08:00
exynos-iommu.c iommu/exynos: add missing put_device() call in exynos_iommu_of_xlate() 2020-09-24 10:48:29 +02:00
fsl_pamu_domain.c iommu/pamu: Use dev_iommu_priv_get/set() 2020-06-30 11:59:48 +02:00
fsl_pamu_domain.h
fsl_pamu.c iommu/pamu: Replace use of kzfree with kfree_sensitive 2020-09-18 10:59:04 +02:00
fsl_pamu.h
hyperv-iommu.c iommu/hyperv: setup an IO-APIC IRQ remapping domain for root partition 2021-02-11 08:47:07 +00:00
io-pgtable-arm-v7s.c iommu/io-pgtable-arm-v7s: Quad lvl1 pgtable for MediaTek 2021-02-01 11:31:17 +00:00
io-pgtable-arm.c IOMMU updates for 5.11 2020-12-16 13:58:47 -08:00
io-pgtable-arm.h iommu/io-pgtable-arm: Move some definitions to a header 2020-09-28 23:48:06 +01:00
io-pgtable.c iommu/amd: Prepare for generic IO page table framework 2021-01-28 16:51:17 +01:00
ioasid.c iommu/ioasid: Add ioasid references 2020-11-23 14:16:55 +00:00
iommu-debugfs.c
iommu-sva-lib.c iommu/sva: Add PASID helpers 2020-11-23 14:16:55 +00:00
iommu-sva-lib.h iommu/sva: Add PASID helpers 2020-11-23 14:16:55 +00:00
iommu-sysfs.c
iommu-traces.c
iommu.c Merge branches 'arm/renesas', 'arm/smmu', 'x86/amd', 'x86/vt-d' and 'core' into next 2021-02-12 15:27:17 +01:00
iova.c iova: Stop exporting some more functions 2021-01-27 12:28:58 +01:00
ipmmu-vmsa.c iommu/ipmmu-vmsa: Allow SDHI devices 2021-01-29 09:27:21 +01:00
irq_remapping.c x86: Kill all traces of irq_remapping_get_irq_domain() 2020-10-28 20:26:28 +01:00
irq_remapping.h x86: Kill all traces of irq_remapping_get_irq_domain() 2020-10-28 20:26:28 +01:00
Kconfig iommu/arm-smmu-v3: Implement iommu_sva_bind/unbind() 2020-11-23 14:16:55 +00:00
Makefile iommu/sva: Add PASID helpers 2020-11-23 14:16:55 +00:00
msm_iommu_hw-8xxx.h
msm_iommu.c iommu/msm: Hook up iotlb_sync_map 2021-01-28 20:29:56 +00:00
msm_iommu.h
mtk_iommu_v1.c iommu/mediatek: Do no use dev->archdata.iommu 2020-06-30 11:59:48 +02:00
mtk_iommu.c iommu/mediatek: Fix error code in probe() 2021-02-08 09:11:06 +01:00
mtk_iommu.h iommu/mediatek: Add mt8192 support 2021-02-01 11:31:19 +00:00
of_iommu.c of/device: Add input id to of_dma_configure() 2020-07-28 15:51:32 +01:00
omap-iommu-debug.c iommu/omap: Check for failure of a call to omap_iommu_dump_ctx 2020-07-22 15:02:33 +02:00
omap-iommu.c Merge branches 'arm/renesas', 'arm/qcom', 'arm/mediatek', 'arm/omap', 'arm/exynos', 'arm/smmu', 'ppc/pamu', 'x86/vt-d', 'x86/amd' and 'core' into next 2020-07-29 14:42:00 +02:00
omap-iommu.h
omap-iopgtable.h
rockchip-iommu.c
s390-iommu.c
sun50i-iommu.c iommu/sun50i: Fix set-but-not-used variable warning 2020-09-04 13:39:45 +02:00
tegra-gart.c iommu: Switch gather->end to the inclusive end 2021-01-27 12:32:27 +00:00
tegra-smmu.c iommu/tegra-smmu: Fix mc errors on tegra124-nyan 2021-03-04 13:20:54 +01:00
virtio-iommu.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00